Includes all flowering plants, conifers, ferns and fern-allies.
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89 common names
Show only taxa with photos
Index to common names:
valerian,
valley-tassels,
vanilla leaf,
vanillagrass,
vaseflower,
velvet weed,
velvet-grass,
velvetleaf,
ventenata,
Venus fly trap,
Venus'-looking-glass,
Venus-slipper,
verbena,
vernalgrass,
vervain,
vetch,
vetchling,
viburnum,
vine,
violet,
virgin's bower
(Valeriana edulis)
Distribution: Occurring east of the Cascades crest in Washington; southern British Columbia to eastern Oregon, east to Idaho and Montana.
Habitat: A wide variety of open, somewhat moist habitats, from the foothills to rather high elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
(Valeriana scouleri)
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California
Habitat: Wet meadows and moist woods, sea level to mid-elevations in the mountains
Origin: Native
Flowers: April-July
Growth Duration: Perennial
(Valeriana sitchensis)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Idaho and Montana.
Habitat: Common in moist areas at mid- to high elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
(Valeriana occidentalis)
Distribution: Occurring east of the Cascades crest in southeastern Washington; southeastern British Columbia to northern California, east to the Rocky Mountains.
Habitat: Moist, open or shaded places, mostly in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
(Valeriana columbiana)
Distribution: Occurring east of the Cascades crest, where endemic to the Wenatchee Mountains and adjacent areas.
Habitat: Rocky, open slopes, often on basalt, at mid-elevations in the mountains
Origin: Native
Flowers: May-June
Growth Duration: Perennial
(Valeriana occidentalis)
Distribution: Occurring east of the Cascades crest in southeastern Washington; southeastern British Columbia to northern California, east to the Rocky Mountains.
Habitat: Moist, open or shaded places, mostly in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
(Valeriana dioica)
Distribution: Occurring east of the Cascades crest in northeastern Washington; Alaska to northern Washington and eastern Oregon, east to central Idaho and northwest Montana; circumboreal.
Habitat: Moist places in the mountains, often in wet meadows.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
(Castilleja attenuata)
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California and Arizona.
Habitat: Drier areas at low elevations.
Origin: Native
Flowers: April-June
Growth Duration: Annual
(Achlys californica)
Distribution: Occurring on both sides of the Cascades and in the Olympic Mountains in Washington; British Columbia to California.
Habitat: Moist areas in deep woods to open parks.
Origin: Native
Flowers: April-July
Growth Duration: Perennial
(Achlys triphylla)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California.
Habitat: Moist areas in deep woods to forest openings.
Origin: Native
Flowers: April-July
Growth Duration: Perennial
(Hierochloe odorata)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to Washington, east across the northern half of North America to the Atlantic Coast.
Habitat: Wet meadows and marshes.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
(Clematis hirsutissima)
Distribution: Occurring east of the Cascades crest in eastern Washington; Washington to Oregon, east to Montana, south to Arizona and New Mexico.
Habitat: Meadows, grasslands, and forest openings.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
(Oenothera curtiflora)
Distribution: Occurring east of the Cascades crest in Washington; south-central Washington to eastern Oregon, Nevada, and Arizona, east to North Dakota,, Iowa, and Louisiana; introduced in California and the eastern U.S., South America, Asia, and Australia.
Habitat: Meadows, stream banks, roadsides, sandy or rocky slopes, often where disturbed.
Origin: Introduced from the central U.S.
Flowers: June-September
Growth Duration: Annual
(Holcus lanatus)
Distribution: Occurring chiefly west of the Cascades crest and east in the Columbia River Gorge in Washington; Alaska to California, east across much of North America to the Atlantic Coast.
Habitat: Balds, prairies, roadsides, meadows, lawns, wastelots, and other disturbed open areas.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Perennial
(Holcus mollis)
Distribution: Occurring west of the Cascades crest in Washington; southwestern British Columbia to California.
Habitat: Lawns and damp areas.
Origin: Introduced from Europe
Flowers: April-June
Growth Duration: Perennial
(Abutilon theophrasti)
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Roadsides, fields, wastelots, and other disturbed open places.
Origin: Introduced from Eurasia
Flowers: July-August
Growth Duration: Annual
(Ventenata dubia)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains; also in eastern North America.
Habitat: Roadsides, pastures, crop land, and other disturbed sites.
Origin: Introduced from Eurasia and northern Africa
Flowers: May-July
Growth Duration: Annual
(Dionaea muscipula)
Distribution: Occurring west of the Cascades crest in Washington, where sparingly introduced and persisting; native to the southeastern U.S.
Habitat: Bogs, lake margins, swamps at low elevations, where intentionally introduced and persisting.
Origin: Introduced from southeast United States
Flowers: July-August
Growth Duration: Perennial
(Triodanis perfoliata)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
Habitat: Various habitats, from the valleys and plains to moderate elevations in the moutains.
Origin: Native
Flowers: May-August
Growth Duration: Annual
(Calypso bulbosa)
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, east across Canada to the Great Lakes region and eastern North America.
Habitat: Mostly in cool, deep shade of moist forests in soil rich in humus, sea level to mid-elevations in the mountains.
Origin: Native
Flowers: March-June
Growth Duration: Perennial
(Verbena hastata)
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Marshes, wetlands, streamsides, and other riparian areas.
Origin: Native
Flowers: July-September
Growth Duration: Biennial, Perennial
(Abronia mellifera)
Distribution: Occurring east of the Cascades crest in Washington; eastern Washington to southeastern Oregon, east to Montana and western Wyoming.
Habitat: Dunes and sandy soil at low elevations.
Origin: Native
Flowers: May-October
Growth Duration: Perennial
(Anthoxanthum aristatum)
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to California; occurring throughout most of central and eastern half of North America.
Habitat: Meadows, grasslands, forest openings, and other disturbed, open areas at low to moderate elevations.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Annual
(Anthoxanthum odoratum)
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, southern Great Plains, and eastern North America.
Habitat: Roadsides, fields, meadows, prairies, balds, lawns, and other disturbed open areas at low elevations.
Origin: Introduced from Europe
Flowers: April-July
Growth Duration: Perennial
(Verbena bracteata)
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Disturbed open areas in natural and impacted settings including roadsides and waste lots.
Origin: Native
Flowers: May-September
Growth Duration: Annual, Biennial, Perennial
(Verbena officinalis)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon, scattered eastward across the U.S. to the Atlantic Coast.
Habitat: Fields, roadsides, wastelots, and other disturbed areas.
Origin: Introduced from Europe
Flowers: May-August
Growth Duration: Annual
(Verbena stricta)
Distribution: Occurring east of the Cascades crest in northeastern Washington; northeastern Washington to western Montana, more common in the Great Plains..
Habitat: Roadsides and other dry, open places.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
(Verbena bonariensis)
Distribution: Occurring west of the Cascades crest in Washington; southwestern British Columbia to California.
Habitat: Disturbed forest edge and wastelots at low elevation.
Origin: Introduced from South America
Flowers: June-August
Growth Duration: Annual
(Verbena officinalis)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon, scattered eastward across the U.S. to the Atlantic Coast.
Habitat: Fields, roadsides, wastelots, and other disturbed areas.
Origin: Introduced from Europe
Flowers: May-August
Growth Duration: Annual
(Vicia americana)
Distribution: Widely distributed on both sides of the Cascades crest throughout much of Washington; Alaska to California, east across North America, except in the southeastern U.S., to the Atlantic Coast.
Habitat: Moist forest openings, forest edge, thickets, meadows, prairies, and disturbed areas.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
(Vicia cracca)
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to California, in scattered locations elsewhere in North America.
Habitat: Roadsides, fields, meadows, wastelots, and other disturbed open areas.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Perennial
(Vicia sativa)
Distribution: Occurring on both sides of the Cascades crest and east in the Columbia River Gorge in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Roadsides, fields, forest edges, thickets, lawns, wastelots, and other disturbed open areas.
Origin: Introduced from Eurasia
Flowers: April-July
Growth Duration: Annual
(Astragalus agrestis)
Distribution: Occurring east of the Cascades crest in Washington; Yukon Territory to California, east across North America to Canada's Atlantic Coast.
Habitat: Moist spots in sagebrush plains, and mountain meadows to alpine slopes.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
(Vicia nigricans)
Distribution: Occurring west of the Cascades crest in the coastal counties and east in the Columbia River Gorge in Washington; along the coast from Alaska to California, inland to the Willamette Valley in Oregon.
Habitat: Beach margins and headlands, forest openings, and along streams near the coast.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
(Vicia hirsuta)
Distribution: Occurring west of the Cascades crest and east in the Columbia River Gorge in Washington; Alaska to California, also in Idaho and Montana.
Habitat: Roadsides, forest edge, meadows, thickets, wastelots, and other disturbed open areas.
Origin: Introduced from Europe
Flowers: April-July
Growth Duration: Annual
(Vicia villosa)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Roadsides, meadows, grasslands, prairies, and other disturbed open areas.
Origin: Introduced from Eurasia and North Africa
Flowers: May-September
Growth Duration: Annual
(Vicia pannonica)
Distribution: Occurring west of the Cascades crest in the Puget Trough in Washington; Washington to California.
Habitat: Roadsides, fields, wastelots, and other disturbed open areas.
Origin: Introduced from Eurasia
Flowers: May-June
Growth Duration: Annual
(Vicia tetrasperma)
Distribution: Occurring west of the Cascades crest in Washington; southwestern British Columbia to California, also in northern Idaho and western Montana.
Habitat: Roadsides, fields, forest edge, wastelots, and other disturbed areas.
Origin: Introduced from Europe
Flowers: May-August
Growth Duration: Annual
(Securigera varia)
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to California, east across North America.
Habitat: Roadsides, fields, wastelots, and other disturbed areas.
Origin: Introduced from Eurasia
Flowers: June-August
Growth Duration: Perennial
(Astragalus agrestis)
Distribution: Occurring east of the Cascades crest in Washington; Yukon Territory to California, east across North America to Canada's Atlantic Coast.
Habitat: Moist spots in sagebrush plains, and mountain meadows to alpine slopes.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
(Vicia tetrasperma)
Distribution: Occurring west of the Cascades crest in Washington; southwestern British Columbia to California, also in northern Idaho and western Montana.
Habitat: Roadsides, fields, forest edge, wastelots, and other disturbed areas.
Origin: Introduced from Europe
Flowers: May-August
Growth Duration: Annual
(Vicia lathyroides)
Distribution: Occurring west of the Cascades crest in the Puget Sound lowlands in Washington; British Columbia to California; also in southeastern U.S.
Habitat: Roadsides, fields, wastelots, and other disturbed areas.
Origin: Introduced from Europe
Flowers: April-June
Growth Duration: Annual
(Vicia hirsuta)
Distribution: Occurring west of the Cascades crest and east in the Columbia River Gorge in Washington; Alaska to California, also in Idaho and Montana.
Habitat: Roadsides, forest edge, meadows, thickets, wastelots, and other disturbed open areas.
Origin: Introduced from Europe
Flowers: April-July
Growth Duration: Annual
(Vicia cracca)
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to California, in scattered locations elsewhere in North America.
Habitat: Roadsides, fields, meadows, wastelots, and other disturbed open areas.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Perennial
(Vicia villosa)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Roadsides, meadows, grasslands, prairies, and other disturbed open areas.
Origin: Introduced from Eurasia and North Africa
Flowers: May-September
Growth Duration: Annual
(Vicia villosa)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Roadsides, meadows, grasslands, prairies, and other disturbed open areas.
Origin: Introduced from Eurasia and North Africa
Flowers: May-September
Growth Duration: Annual
(Vicia lutea)
Distribution: Occurring west of the Cascades crest in the Puget Trough in Washington; Washington to California, also in the southeastern U.S.
Habitat: Roadsides, fields, lawns, wastelots, and other disturbed open areas.
Origin: Introduced from Eurasia
Flowers: April-June
Growth Duration: Annual
(Lathyrus littoralis)
Distribution: Occurring in the coastal counties in Washington; British Columbia to California.
Habitat: Sand dunes and sandy beaches.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
(Lathyrus holochlorus)
Distribution: Occurring west of the Cascades crest in southwestern Washington; Washington to Oregon.
Habitat: Woodlands, prairies, pastures, and roadsides.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
(Lathyrus aphaca)
Distribution: Known only from San Juan County in Washington; Washington to California, and in scattered locations in central and southern U.S.
Habitat: Roadsides, fields, wastelots, and other disturbed open areas.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Annual
(Viburnum ellipticum)
Distribution: Occurring west of the Cascades crest chiefly along the southern border in Washington; southern Washington to northern California.
Habitat: Thickets, bottom lands, and open woods at low to middle elevations.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
(Fallopia baldschuanica)
Distribution: Occurring chiefly west of the Cascades crest in Washington; southern British Columbia to Oregon, east to Idaho, also in scattered locations across North America.
Habitat: Roadsides, ditches, embankments, forest edge, and other disturbed open areas.
Origin: Introduced from central Asia
Flowers: Aug.-Sept.
Growth Duration: Perennial
(Tribulus terrestris)
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Noxious weed of sandy soils and roadsides.
Origin: Introduced from Europe and northern Africa
Flowers: May-September
Growth Duration: Annual
(Viola trinervata)
Distribution: Occurring east of the Cascades crest in Washington; north-central Washington to southeastern Oregon.
Habitat: Sagebrush flats and rocky hillsides, often on lithosol, where vernally moist.
Origin: Native
Flowers: March-June
Growth Duration: Perennial
(Viola langsdorffii)
Distribution: Occurring west of the Cascades crest in Washington; Alaska to California.
Habitat: Peatlands, shores, snowmelt communities, and wet meadows, from lowlands to middle elevations.
Origin: Native
Flowers: April-July
Growth Duration: Perennial
(Viola langsdorffii)
Distribution: Occurring west of the Cascades crest in Washington; Alaska to California.
Habitat: Peatlands, shores, snowmelt communities, and wet meadows, from lowlands to middle elevations.
Origin: Native
Flowers: April-July
Growth Duration: Perennial
(Viola canadensis)
Distribution: Occurring east of the Cascades crest in Washington; Alaska to Oregon, east to the Rocky Mountains, further east across North America to the Atlantic Coast.
Habitat: Forest openings, riparian zones, and thickets from low to middle elevations.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
(Viola orbiculata)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon, east to Alberta, Montana and Wyoming.
Habitat: Open woods, middle to high elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
(Viola riviniana)
Distribution: Occurring west of the Cascades crest in lowland western Washington; British Columbia to California.
Habitat: Lawns, sidewalks, wastelots, and other disturbed areas at low elevations.
Origin: Introduced from Eurasia and northwest Africa
Flowers: March-September
Growth Duration: Perennial
(Viola adunca)
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Dry to moist meadows and open woods, from the lowlands to subalpine areas.
Origin: Native
Flowers: April-August
Growth Duration: Perennial
(Viola sempervirens)
Distribution: Occurring west of the Cascades crest and east in the Columbia River Gorge in Washington; British Columbia to California.
Habitat: Moist woods from low to middle elevations in the mountains.
Origin: Native
Flowers: March-June
Growth Duration: Perennial
(Viola orbiculata)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon, east to Alberta, Montana and Wyoming.
Habitat: Open woods, middle to high elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
(Viola sheltonii)
Distribution: Occurring on both sides of the Cascades crest in Washington; Washington to California, east to Idaho; also in Colorado.
Habitat: Coniferous forest understory, often associated with moss-covered boulder fields with well-developed organic layer.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
(Viola flettii)
Distribution: Occurring west of the Cascades crest in Washington, where endemic to the Olympic Mountains
Habitat: Alpine rock crevices and talus slopes at high elevations.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
(Viola howellii)
Distribution: Occurring west of the Cascades crest and in the Columbia River Gorge in Washington; southwestern British Columbia to California.
Habitat: Moist woods and prairies at low to moderate elevations.
Origin: Native
Flowers: April-May
Growth Duration: Perennial
(Viola renifolia)
Distribution: Occurring east of the Cascades crest in the north-central to northeastern counties in Washington; Alaska to northern Washington, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and northeastern North America
Habitat: Peatlands, riparian zones, swamps, seeps, and damp thickets.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
(Viola lanceolata)
Distribution: Occurring west of the Cascades crest in Washington; southwestern British Columbia to southwestern Oregon.
Habitat: Bogs, moist meadows, cranberry beds, and ditches.
Origin: Introduced from eastern and central North America
Flowers: May-June
Growth Duration: Perennial
(Viola nephrophylla)
Distribution: Occurring chiefly east of the Cascades crest in Washington; Yukon Territory to California, east across most of North America to the Atlantic Coast.
Habitat: Moist places, especially in meadows and along streams.
Origin: Native
Flowers: May-July
Growth Duration: Annual, Perennial
(Viola palustris)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, northern Great Plains, northeastern North America, and Eurasia.
Habitat: Moist meadows and streambanks, low to mid-elevations in the mountains
Origin: Native
Flowers: May - July
Growth Duration: Perennial
(Viola sororia)
Distribution: Occurring east of the Cascades crest in northeastern Washington; Yukon Territory to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and northeastern North America.
Habitat: Dry to moist forest openings, thickets, meadows, and stream banks at middle elevations.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
(Viola nephrophylla)
Distribution: Occurring chiefly east of the Cascades crest in Washington; Yukon Territory to California, east across most of North America to the Atlantic Coast.
Habitat: Moist places, especially in meadows and along streams.
Origin: Native
Flowers: May-July
Growth Duration: Annual, Perennial
(Viola sororia)
Distribution: Occurring east of the Cascades crest in northeastern Washington; Yukon Territory to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and northeastern North America.
Habitat: Dry to moist forest openings, thickets, meadows, and stream banks at middle elevations.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
(Viola nuttallii)
Distribution: Occurring chiefly east of the Cascades crest in Washington; Britsh Columbia to California, east to the Rocky Mountains.
Habitat: Grassland, sagebrush and juniper flats, and moist to dry openings in coniferous forests.
Origin: Native
Flowers: April-July
Growth Duration: Perennial
(Viola flettii)
Distribution: Occurring west of the Cascades crest in Washington, where endemic to the Olympic Mountains
Habitat: Alpine rock crevices and talus slopes at high elevations.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
(Viola glabella)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Alberta and Montana.
Habitat: Moist woods and stream banks, low to middle elevations in the mountains.
Origin: Native
Flowers: March-July
Growth Duration: Perennial
(Viola purpurea)
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to Rocky Mountains.
Habitat: Open, rocky, fairly dry slopes, moderate to high elevations in the mountains
Origin: Native
Flowers: May-August
Growth Duration: Perennial
(Viola pluviae)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Idaho and Montana; Eurasia.
Habitat: Wet areas at low to moderate elevations, including in part to full shade.
Origin: Native
Flowers: April-July
Growth Duration: Perennial
(Viola sempervirens)
Distribution: Occurring west of the Cascades crest and east in the Columbia River Gorge in Washington; British Columbia to California.
Habitat: Moist woods from low to middle elevations in the mountains.
Origin: Native
Flowers: March-June
Growth Duration: Perennial
(Viola orbiculata)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon, east to Alberta, Montana and Wyoming.
Habitat: Open woods, middle to high elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
(Viola canadensis)
Distribution: Occurring east of the Cascades crest in Washington; Alaska to Oregon, east to the Rocky Mountains, further east across North America to the Atlantic Coast.
Habitat: Forest openings, riparian zones, and thickets from low to middle elevations.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
(Viola trinervata)
Distribution: Occurring east of the Cascades crest in Washington; north-central Washington to southeastern Oregon.
Habitat: Sagebrush flats and rocky hillsides, often on lithosol, where vernally moist.
Origin: Native
Flowers: March-June
Growth Duration: Perennial
(Viola sheltonii)
Distribution: Occurring on both sides of the Cascades crest in Washington; Washington to California, east to Idaho; also in Colorado.
Habitat: Coniferous forest understory, often associated with moss-covered boulder fields with well-developed organic layer.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
(Viola macloskeyi)
Distribution: Occurring on both sides of the Cascades crest in Washington;d British Columbia to California, east to the Atlantic Coast..
Habitat: Boggy and wet ground from low to mid-elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
(Viola glabella)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Alberta and Montana.
Habitat: Moist woods and stream banks, low to middle elevations in the mountains.
Origin: Native
Flowers: March-July
Growth Duration: Perennial
(Viola odorata)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Idaho; also in eastern North America.
Habitat: Sheltered, disturbed areas in somewhat moist soil.
Origin: Introduced from Europe
Flowers: March-September
Growth Duration: Perennial
(Viola adunca)
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Dry to moist meadows and open woods, from the lowlands to subalpine areas.
Origin: Native
Flowers: April-August
Growth Duration: Perennial
(Viola riviniana)
Distribution: Occurring west of the Cascades crest in lowland western Washington; British Columbia to California.
Habitat: Lawns, sidewalks, wastelots, and other disturbed areas at low elevations.
Origin: Introduced from Eurasia and northwest Africa
Flowers: March-September
Growth Duration: Perennial
(Clematis occidentalis)
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to Oregon, east to Saskatchewan and Wyoming.
Habitat: Often in deep, fine soils in shady forest, also in cliffs and other rocky sites in open woods and thickets, at moderate to high elevations in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
(Clematis orientalis)
Distribution: Known from Yakima County in Washington; also known from the Columbia River Gorge area in Oregon, and other scattered locations in southwestern North America.
Habitat: Disturbed open areas at low elevations.
Origin: Introduced
Flowers: June-July
Growth Duration: Perennial